and two, there is an old cemetery there as well that contains remains of civil war veterans, about 200 graves in all. the county coroner as you mentioned may get permission to have the graves exhumed if he decides that is necessary. several headstones have already tilted and there were blakes in the grounds in the cemetery. this cemetery dates back to the 1880s. only way to identify some buried there is headstones some of which are very hard to read. this is delicate situation to say the least. as i said they are trying to fill this sinkhole with won create to keep it from getting any bigger -- concrete. as we hear more about it and what they're planning to do and hear the progress, we'll let you know. jon: do we know what caused the sinkhole? is that undergroundwater flow or what? >> reporter: unclear. they're looking into that. the their primary concern is to keep the sinkhole from getting any bigger. you see all the equipment there at the site that has been working on this to fill